Vise.



A. L DE LEEUW.

VISE.

APPLICATION FILED OCT. 4, 1909.

Patented Feb. 20, 1912.

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Patented Feb. 20, 1912.

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avwemlfoz a 0 9 1 U m W 0 m LEM E P D N L m m i A A w L P P A IIDII'II'IIIIIIIII UNITED STATES PATENT OFFICE.

ADOLPH L. DE LEEUW, OF HAMILTON, OHIO, ASSIGNOR TO THE CINCINNATI MILLING MACHINE COMPANY, OF CINCINNATI, OHIO, A CORPORATION OF OHIO.

VISE.

. 1,018,035. Specification of'I-etters Patent Patented Feb. 20, 1912. Application filed October 4, 1909. Serial No. 520,814.

To all whom 'it may concern. drawal of the work from between the clamp- Be it known that I, ADOLPH L. DE 'LEEUW, ing jaws, and effecting the final clamp or rea citizen of the United States, residing at ease. by mechanism operated under fluid amilton, in the county of Butler and State pressure for quick manipulation of the of Ohio, have invented certain new and useful Improvements in Vises, of which the following is a specification.

y invention relates to a fluid-actuated device for moving one of the jaws for clam ing the work, whereby a powerful clamp can e conveniently and quickly made or released.

The object a device with vise. This is especially desirable when the vise is used for holding work on the maof pieces of work.

l-represents the frame or base of the vise, provided at one end with a stationary jaw 2.

3 represents a slideway, and 4 represents a movable jaw mounted upon the slide-way 3, adapted to be adjusted stationary jaw 2.

represents an adjusting screw, one end of which is provided witha flange 7, seating within a groove formed in the movable jaw 4, forming a revoluble connection therewith. The adjusting screw 5 is provided with a nut 8, supported Within a bearing 9, and held against rotation by means of the set screw 10 engaging into an elongated slot 11, formed on the nut 8, this set screw holding the nut against rotation, but permitting the longitudinal movement thereof within its bearings.

12, 13, represent cylinders ame 1, each provided with a fluid port 14, and an intermediate port 15, leading from one cylinder to the other, see Fig. 6, for equalizing the fluid pressure within the cylinders.

16, 17, represent pistons fitted within the respective cvlinders 12, 13, said pistons be ing preferably of hollow formation, p vided with the cap-plates 18, for closing the outer end of sai of my invention a fixed and movable jaw,

along a parallel support w1th a manually pistons in line with an actuating lever for moving the screw and jaw independent of t e manual control for effecting a final clamp or release.

The features of my invention are more fully set forth in the description of the accompanying drawings, forming a part of t is specification, in which igure 1 is a side elevation of my improved device. Fig. 2 is a central vertical sectionthrough the same and through one of the cylinders. Fig. 3 is an enlarged section on line :2, a:, Fig. 1. Fig. 4 is a front elevation thereof. Fig. 5 is a section on line w, w, Fig. 2. Fig. 6 is a section on line 0), '0, Fig. 2.

As illustrated in the drawings, the vise is applicable to be screwed on the moving carriage or table of a machine tool for clamping the work in position.

One of the characteristics of the vise is to provide means for manually adjusting a movable jaw for initially setting the same relatively to the work to be clamped, and to a position to permit a free insertion or withformed in the cars 20, projecting from the frame 1, and provided with spherical bosses, adapted to engage a flange 21, formed on the nut 8, upon each side of the adjusting screw 5.

22 represents the bolts with their stems each projected through chine tool in finishing a duplicate number the lever 19. The bolts 22 are preferably relative to the fixed jaw, and means engagprovided with spherical heads each engaging said nut to impart longitudinal moveing its respective head-plate 18, forming a ment thereto and to the screw and movable pivotal engagement therewith, to aiford jaw for clamping movements.

free movement of the actuating lever 19. 3. In a vise, a fixed and a movable aw, The bolts 22 are adjustable in the elongated a rotatively adjustable screw engaging the 70 slot 23, for regulating the movement of the movable jaw, a longitudinally movable nut, actuating lever, for increasing or decreasing locked against rotation, engaged w th sa d the same, relatively to the given movement screw, and pressure devices engaging sai of the piston by adjusting the bolts to and nut for actuating the same.

from the fulcrum of the actuating lever, 4. In a vise, a fixed and a movable jaw, a varying the leverage. rotative adjustable screw engaging em 24 represents an actuating rod projected movable jaw for initial adjusting of the through an enlarged orifice formed'in the movable jaw relative to the fixed jaw, and actuating lever 19, one end of which is pro means locked against rotation and engage vided with a collar 25, engaging the actuatwith screw for longitudinally moving said ing lever, see Fig. 3, its opposite end proscrew and movable jaw independent of its vided with a boss 26, slidably mounted withrotative adjustment. in the bore 27 formed in the frame 1, and 5. In a vise, a fixed and a Inovablejaw, a preferably intermediate of the cylinders 12, rotatably adjustable and longitudinally 13; and 28 represents a spring, one end of movable adjusting screw engaging said movwhich engages the boss 26, while the oppoable jaw, a longitudinally movable sleeve nut site end of the spring engages a collar 29, locked against rotation and engaging with fixed within the mouth of the bore through said screw and pressure devices engaging which the actuating rod projects and is supsaid nut for longitudinally moving the same, ported. The spring 28 exerts'pressure upon. whereby an initial adjustment of the movthe actuating rod 24, for swinging the lever able jaw is made relative to the fixed jaw 19 automatically in one direction, upon re by rotative action of the screw, and a final lease of the fluid pressure, within the cylinlongitudinal clamping ,moveme t, through der and returning the pistons to normal the actuation of the power devices. position. 6. In a vise, a base formed with a slide- 9 In operation, clamping the work between way, a fixed jaw on said base, a movable jaw the jaws 2, 4, the movable jaw 4 is adjusted slidable thereon, an adjusting screw engagpractically up to its clamping position by ing said movable jaw, a nut engaging sai revolving the screw 5 within the nut, leaving screw? longitudinally movable and locked the work free between the jaws, after which against rotation, whereby said movable jaw the fluid pressure brought into action, can be adjusted relatively to the fixed jaw within the cylinders, and against the pisupon rotating said screw, lever mechanism tons, forcing the same outward, and through engaging said nut, means foractuating said their engagement with the lever 19, swing lever mechanism to impart a limited longithe same, moving the sleeve 8, screw 5, and tudinal movement thereto. movable clutch 4, toward the work to efiec 7. In a vise, a pair of jaws, an adjusting tively clamp the same. Suitable piping is screw engaging one of said jaws for adjustemployed in connection with the ports 14, ing the same relatively to the second jaw, with valve or valves provided, not shown a longitudinally movable nut locked against in the drawings, for controlling the fluid rotation engaging said screw, lever mechathrough the cylinder. nism engaging said nut, and pressure con- I-la'ving described my invention,l claim trolled means engagi g said lever mecha- 1. In a vise, a pair of jaws, a longitudinism for actuating the same to impart clampnally movable sleeve locked against rotation, ing movements to said adjustable jaw indean adjusting screw having a threaded enpendent of the screw adjustment. 11E

agement with said sleeve and connected to 8. In a vise, a pair of jaws, an adjusting one of said jaws, and lever mechanism enscrew engaging one of said jaws for adjustgaging said sleeve to impart longitudinal ing the same relatively to the second jaw, a movement thereto and to the screw and jaw, longitudinally movable nut engaging sai to impart clamping movements thereto, screw, a lever engaging said nut, pressure 12 whereby the initial adjustment of one jaw controlled means engaging said lever for relative to the others is made by'rotating actuating the same to impart clamping movethe screw. ments to said adjustable jaw independent of 2. In a vise, a fixedand a movable jaw, a the screw adjustment, and means adjustable longitudinally movable nut, an adjusting upon said lever engaging said power controlled means for varying leverage.

9. In a vise, a pair of jaws, an adjusting screw engaging one'of said jaws for adjustscrew having a threaded engagement with said nut and rotatively connected with said movable aw for ad usting the movable aw g the same relatively to the-second, a longitudinally movable non-rotatable nut engaging With said screw, lever mechanism en'- gaging with said nut, for moving the same and the screw longitudinally, pressure controlled pistons for actuating said lever mechanism, means adjustable upon said lever mechanism engaging said piston, its position of adjustment controlling its lever- In testimony whereof, I have hereunto set ADOLPH L. DE LEEUW.

my hand.

l/Vitnesses:

OLIVER B. KAISER, EMMA SPENER.

M- Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. O. 

